@article{atn3ddensityawarelidarradarearly3dobject,
  title = {ATN3D: Density-Aware LiDAR-Radar Early 3D Object Detection Under Extreme Sparsity},
  author = {Debojyoti Biswas and Xianbiao Hu},
  year = {2026},
  eprint = {2606.09634},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.09634},
}